47785252 has 12 divisors (see below), whose sum is σ = 83874700. Its totient is φ = 23821056.

The previous prime is 47785187. The next prime is 47785253. The reversal of 47785252 is 25258774.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14791716 + 32993536 = 3846^2 + 5744^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (47785253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16377 + ... + 19072.

Almost surely, 2^47785252 is an apocalyptic number.

It is an amenable number.

47785252 is a deficient number, since it is larger than the sum of its proper divisors (36089448).

47785252 is a wasteful number, since it uses less digits than its factorization.

47785252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35790 (or 35788 counting only the distinct ones).

The product of its digits is 156800, while the sum is 40.

The square root of 47785252 is about 6912.6877551355. The cubic root of 47785252 is about 362.8813318920.

The spelling of 47785252 in words is "forty-seven million, seven hundred eighty-five thousand, two hundred fifty-two".